/*
 *  Licensed to the Apache Software Foundation (ASF) under one or more
 *  contributor license agreements.  See the NOTICE file distributed with
 *  this work for additional information regarding copyright ownership.
 *  The ASF licenses this file to You under the Apache License, Version 2.0
 *  (the "License"); you may not use this file except in compliance with
 *  the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

/**
 * @author Vladimir N. Molotkov, Stepan M. Mishura
 */

package org.apache.harmony.security.asn1;

import java.util.Collection;

/**
 * This abstract class represents ASN.1 collection type.
 * 
 * The value for such type is a collection of zero or more occurrences of a
 * provided type.
 * 
 * @see http://asn1.elibel.tm.fr/en/standards/index.htm
 */

public abstract class ASN1ValueCollection extends ASN1Constructured {

	/**
	 * A value collection of this ASN.1 type
	 */
	public final ASN1Type type;

	/**
	 * Constructs ASN1 collection type.
	 * 
	 * @param tagNumber
	 *            - ASN.1 tag number
	 * @param type
	 *            - ASN.1 type
	 */
	public ASN1ValueCollection(int tagNumber, ASN1Type type) {
		super(tagNumber);

		this.type = type;
	}

	/**
	 * Provides an object's values to be encoded
	 * 
	 * Derived classes should override this method to provide encoding for a
	 * selected class of objects.
	 * 
	 * @param - an object to be encoded
	 * @return - a collection of object's values to be encoded
	 */
	public Collection getValues(Object object) {
		return (Collection) object;
	}
}